When i click i have page not found

this is my link : nemesisapocalypse.netlify.app and i have page found. i dont know why, i am a novice.
Can you help me please

Welcome to the forums @jacqueswilly

The best place to start is [Support Guide] I’ve deployed my site but I still see "Page not found”

If you are still having issues, please share a deploy log and link to the git repository you are deploying.